144x32 Graphic LCD Display
Model No. WG14432B
►Graphic LCD 144x32
►IC: ST7920
►+5V power supply
►Internal boost option
►1/32 duty cycle
►LED can be driven by PIN15, PIN16 or A, K
►Chinese version
►Same size as WH1602B
►Interface: 6800/SPI
Description
WG14432B is a monochrome 144x32 graphics LCD module which is built in with ST7920 controller IC. WG14432B is having the same mechanical size as Character WH1602B. This WG14432B module supports 6800 parallel and SPI interface; 5V power supply, also internal boost 3.3V optional. This 144x32 graphic LCD display supports Traditional Chinese Font and Simplified Chinese Font. It can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
DRAWING
Data source ref:WG14432B-TMI-VGB#
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | VSS | 0V | GND |
| 2 | VDD | 5.0V | Power Supply (+5V) |
| 3 | VO | No connection | |
| 4 | RS | H/L | H/L register select signal |
| 5 | R/W | H/L | H/L Read/Write signal |
| 6 | E | H/L | Enable signal |
| 7 | DB0 | H/L | Data bus line |
| 8 | DB1 | H/L | Data bus line |
| 9 | DB2 | H/L | Data bus line |
| 10 | DB3 | H/L | Data bus line |
| 11 | DB4 | H/L | Data bus line |
| 12 | DB5 | H/L | Data bus line |
| 13 | DB6 | H/L | Data bus line |
| 14 | DB7 | H/L | Data bus line |
| 15 | A | － | LED+ |
| 16 | K | － | LED- |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 144 x 32 | － |
| Module dimension | 80.0 x 36.0 x 13.2 (MAX) | mm |
| View area | 66.0 x 16.0 | mm |
| Active area | 60.44 x 13.4 | mm |
| Dot size | 0.38 x 0.38 | mm |
| Dot pitch | 0.42 x 0.42 | mm |
| Duty | 1/32 | |
| Backlight Type | LED | |
| IC | ST7920 | |
| Interface | 6800 | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Input Voltage | VIN | -0.3 | － | VDD+0.3 | V |
| Supply Voltage For Logic | VDD-VSS | -0.3 | － | 5.5 | V |
| Supply Voltage For LCD | VO-VSS | 0 | － | 7.0 | V |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 4.5 | 5.0 | 5.5 | V |
| Supply Voltage For LCD | V0-VSS | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ |
－ － － |
－ － － |
V V V |
| Input High Volt. | VIH | － | 0.7VDD | － | VDD | V |
| Input Low Volt. | VIL | － | -0.3 | － | 0.6 | V |
| Output High Volt. | VOH | － | 0.8VDD | － | VDD | V |
| Output Low Volt. | VOL | － | － | － | 0.4 | V |
| Supply Current | IDD | VDD=5.0V | 2.0 | 2.5 | 3.5 | mA |
